List data types available in numeric data type and alphanumeric data type

Data available in an unorganised form is called _______data.

Median OF grouped data || Cumulative frequency distribution table || Different types OF cumulative frequency table less than type and more than or equal to type || Median=L+(n/2-COF/F)h

Species listed in Red Data Book are

If the 'less than type' ogive and 'more than type' ogive intersect each other at (20.5, 15.5) then the median of the given data is

The median, mode , and mean of a data is 9, if there are five integers in the data and the range of the data is 4. If the least value of the data is 7, then find the number of different observations in the data.